Hioki ST4030A Impulse Winding Tester | APC Technology Group

ST4030A

ST4030A

Hioki

Impulse Winding Tester

Diagnose the Insulation Quality and Deterioration of Rotor Windings while in Assembled State via Response Waveform Quantification

The ST4030A is an impulse winding tester, or surge tester, that combines the functions of both a resistance meter and insulation-withstand testing required for electric motor winding manufacturers to improve quality. Meet the needs of more reliable motor windings in light of the increasing use of electric vehicles and self-driving technology.

Key Features

  • Identify previously undetectable defects
  • Detect waveforms with high precision (200 MHz high speed sampling × high 12-bit resolution)
  • Identify single-fault turns via quantification of response waveforms into LC and RC values
  • Diagnose defective insulation (pseudo-shorts) between motor windings by testing for microscopic partial discharges hidden in noise (option)
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More Information
Attribute Value
Power Supply 100 V to 240 V AC, 50/60 Hz, 80 VA max.
Display 8.4-inch SVGA color TFT liquid crystal (800 × 600 dots), touch panel
Interfaces

Standard: EXT.I/O, USB host (memory), USB device (communication), LAN
Optional: RS-232C (Z3001), GP-IB (Z3000)

Measurement Items

Quantification (LC value, RC value) of the response waveform obtained when impulse voltage is applied, pass / fail judgment
Waveform judgment using AREA value, Flutter, Laplacian etc.
Equipped with dielectric breakdown voltage test function

Dimensions and Weight 215 mm (8.46 in)W × 200 mm (7.87 in)H × 348 mm (13.7 in)D, 6.7 kg (236.3 oz)
Accessories Power cord ×1, Instruction Manual ×1, Application disc ×1, Usage notes ×1
Applied Voltage

100 V to 4200 V (Setting resolution: 10 V steps)
Maximum applied energy: approx. 88 mJ

Testable Inductance Range 10 μH to 100 mH
Sampling 200 M / 100 M / 50 M / 20 M / 10 MHz, Resolution: 12 bits, Number of data: 1001 to 800 points (1000 point steps)
Voltage Detection Accuracy [DC accuracy] ± 5% of setting, [AC band] 100 kHz: ± 1 dB
Determination Method LC · RC value judgment, waveform judgment, discharge judgment (when incorporating the ST9000)
Number of Test Condition Tables 255 (test condition setting, judgment condition setting, master waveform)
Test Time About 60 ms (3000 V, 1 pulse, reference value at decision OFF)
More Information
Attribute Value
Data Sheet Click here to view

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